diff options
Diffstat (limited to 'pipeto.c')
| -rw-r--r-- | pipeto.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pipeto.c b/pipeto.c index 77982e1..8014584 100644 --- a/pipeto.c +++ b/pipeto.c @@ -51,7 +51,10 @@ pipeto(const char *cmdline) } argv[argc] = 0; - execvp(argv[0], argv); + if (argv[0]) + execvp(argv[0], argv); + else + errno = EINVAL; // execvp failed, write errno to parent long e = errno; |